Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDyR1v7W8Qj+cwLcYn/Oe6km/Vc47X8/GQ68sLX85dFowgHzaW0Jq7CkdiI… (1,748 chars)"
  }
}